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Patent:GB1342433
| Patent: | GB 1342433 |
| Title: | INPROVEMENTS IN OR RELATING TO CALCULATING MACHINES |
| Date: | 04.02.1970 |
| Place: | Tokyo |
| Country: | Great Britain |
| Person: | |
| Company: | Ricoh (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  GB1342433 |
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